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在化工、石油、石油化工装置建设中,化工自动化控制仪表(以下简称“自控仪表”)安装前的单校、联校及其安装,是关系到装置能否一次投产成功或能否产出合格产品的重要因素。近10年来,自控仪表的准确度等级和智能化程度越来越高,各施工单位分别增置了国外先进的标准器具和各种过
In chemical, petroleum, petrochemical plant construction, chemical automation control instrument (hereinafter referred to as “self-control instrument”) before the installation of single school, school and its installation is related to the device can be put into operation a success or whether it can produce qualified Important product factors. In the past 10 years, the accuracy level and intelligent degree of automatic control instruments have been getting higher and higher. Each construction unit has added advanced foreign standard instruments and various kinds of